The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?

Related Mcqs:

1. SONAR is based on the principle of___________?

   A. Echo B. reverberation C. resonance D. None of these Submitted by: Abid Otho...

2. Sound waves are _________ waves.

   A. Transverse B. Electromagnetic C. Longitudinal D. None of these...

3. P Waves are also said to be __________ waves?

   A. Push-pull B. Side-side C. Up-down D. None of the above Submitted by: Rashid Mehmood...

4. Which layer of the atmosphere reflects radio waves back to the earth’s surface?

   A. Troposphere B. Stratosphere C. Ozone layer D. Ionosphere Submitted by: Aamir Hussain Laghari...

5. In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?

   A. Chemical Reaction B. Nuclear reaction C. Fission nuclear reaction D. Fusion nuclear reaction E. None of these...

6. A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

   A. Current B. Voltage C. Nuclear Radiation D. power E. None of these...

7. Name the branch of science which deals with the study of sound and sound waves?

   A. Aeronautics B. Acoustics C. Aerostatics D. Aetiology Submitted by: ABDUL HAYEE...

8. The process by which kidney stones are crushed with shock waves is called?

   A. Laparoscopy B. Dementia C. Lithotripsy D. None of these Submitted by: Mansoor Ahmed Suhag...

9. Which of the following waves have smallest velocity in vacuum?

   A. Ultraviolet B. Sound C. Infra-Red D. Micro Submitted by: Malik Asghar Hussain...

10. The waves which are used for line of sight (LOS) communication are called:

    A. Space waves B. Cable waves C. Antenna waves D. None of these Submitted by: Areesha Khan...